Acura’s push for more radical, independent styling could be over before it starts. These pictures, which were made public this week in a European design patent database, show an RLX sedan that’s been dulled down from the only slightly edgier concept version presented last April. The RLX will arrive in early 2013 as the replacement for the RL as Acura’s range-topping sedan.

The lower front and rear clips on (what we presume is) the production RLX have been changed from the concept car, with a standard rounded lower air intake up front and integrated exhaust outlets in the rear. These bookend a generally uninspiring shape, with the front looking rather like that of a current RL or TL, and the side and rear reminiscent of everything from a Lexus GS to a Chevy Cruze to a BMW 7-series.

Although Acura will undoubtedly promote the RLX as a fun-to-drive, high-tech showcase, the truth is that this car is aimed squarely at aging Baby Boomers. RLX customers are more likely to be cross-shopping the RLX with a Cadillac XTS, we think, than an avant-garde Audi A6. As such, Acura has said in the past that the RLX’s interior is significantly more spacious than in the company’s previous cars—despite its size, the RL has always had compromised interior packaging.

The only major U.S. auto show left on the calendar for 2012 is Los Angeles in November. Acura could pull the sheets off of the production RLX there, but an earlier non-auto-show debut is always possible.